JaCorian Duffield (Texas Tech) and Lindsay Vollmer (Kansas) have been selected as the Big 12 Indoor Track and Field Athletes of the Week for competition Jan. 17-19. It is the first weekly award for both student-athletes.

Big 12 Indoor Track & Field Male Athlete of the WeekJaCorian Duffield, Texas Tech, Jr., Schertz, TexasDuffield broke a 30-year-old school record Jan. 17 at the Texas Tech Open after clearing 2.23-meters (7-feet 3.75 inches) in the high jump on his first attempt. With the clearance, Duffield won the event, and jumped his way to No. 2 on the national indoor qualifying list to kick off his 2014 campaign.

A 2013 outdoor All-American in the event, Duffield cleared seven-straight bars on his first attempt in the competition after passing at the opening height. His final clearance broke the previous school record of 2.22m (7’-3.50”) set by Roland Mitchell in 1984.

Duffield now owns two of the top-10 jumps in school history after clearing 2.18m (7’-1.75”) at the Texas Tech Open last season.

Big 12 Indoor Track & Field Female Athlete of the WeekLindsay Vollmer, Kansas, Jr., Hamilton, Mo.Vollmer continued her early-season heroics at the Holiday Inn Invitational in Lincoln, Neb., after again taking down a pair of her own personal bests. The NCAA’s reigning heptathlon champion began her day in the shot put and saved her best throw for last, hitting a mark of 12.19 meters (40’0”) on her third attempt. The throw bettered her previous indoor best by nearly four inches and ended up earning her a 17th-place finish.

Just 10 minutes later the Hamilton, Mo., native headed to the starting blocks for the final of the 60-meter hurdles. Vollmer used the final 20 meters to pull away from the field and cross the finish in 8.45, which shaved .02 seconds off her previous best, which she set at the Bill Easton Classic a week ago. The time earned the junior an easy victory and puts her at No. 25 in the national standings, and fourth in the Big 12 ranks.

Vollmer’s day still wasn’t done however as she joined forces with her KU teammates in the distance medley relay. With the help Vollmer’s 400-meter leg, the Jayhawks passed the baton around in 11:42.06, giving the Jayhawks the victory by nearly 12 seconds and the fifth fastest time in the NCAA this season.